1. Geriatrics Section; Department of Internal Medicine; Academic Medical Center; University of Amsterdam; Amsterdam The Netherlands
2. Department of Geriatrics; Gelre Hospitals; Apeldoorn The Netherlands
3. University Center for Geriatric Medicine; University Medical Center Groningen; Groningen the Netherlands
4. Sligo Mental Health Services; Ballytivnan Sligo Ireland
5. Research and Academic Institute of Athens; Athens Greece
6. Cognitive Impairment Research Group; Centre for Interventions in Infection; Inflammation and Immunity; Graduate Entry Medical School; University of Limerick; Limerick Ireland
7. Department of Geriatrics; Tergooi Hospital; Hilversum and Blaricum the Netherlands
8. Department of Psychiatry; University Hospital Limerick; Limerick Ireland